WO2020146296A1 - Station de charge alimentée par énergie solaire - Google Patents

Station de charge alimentée par énergie solaire Download PDF

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Publication number
WO2020146296A1
WO2020146296A1 PCT/US2020/012447 US2020012447W WO2020146296A1 WO 2020146296 A1 WO2020146296 A1 WO 2020146296A1 US 2020012447 W US2020012447 W US 2020012447W WO 2020146296 A1 WO2020146296 A1 WO 2020146296A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
terminal power
power draw
draw unit
current collector
Prior art date
Application number
PCT/US2020/012447
Other languages
English (en)
Inventor
Daniel DELANO
William Gilmore
Joseph Goodman
Chris NEEDHAM
Frank OUDHEUSDEN
Original Assignee
Skyhook Solar Corp.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skyhook Solar Corp. filed Critical Skyhook Solar Corp.
Publication of WO2020146296A1 publication Critical patent/WO2020146296A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/40—Mobile PV generator systems
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
    • E04H6/02—Small garages, e.g. for one or two cars
    • E04H6/025—Small garages, e.g. for one or two cars in the form of an overhead canopy, e.g. carports
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/10—Supporting structures directly fixed to the ground
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]

Definitions

  • This invention relates to standalone stations which use photovoltaic panels to generate and distribute electrical power.
  • stations are expected benefit society by performing various functions enabled by the station’s ability to generate, store and distribute electrical power in the absence of a significant carbon footprint. Benefits in everyday living, during emergencies, and in areas lacking infrastructure are expected to be realized.
  • the invention concerns a station for generating and distributing electrical power.
  • the station comprises a first circuit.
  • the first circuit may comprise at least one photovoltaic panel creating direct current electrical energy.
  • a direct current collector is electrically connected to the at least one photovoltaic panel for receiving the direct current electrical energy.
  • a terminal power draw unit is electrically connected to the direct current collector for conditioning the electrical energy for use.
  • the terminal power draw unit may comprise an electrical power inverter for changing direct current to alternating current.
  • the terminal power draw unit may comprise a direct current to direct current converter for changing the direct current electrical energy from a first voltage to a second voltage different from the first voltage.
  • the direct current collector may be selected from the group consisting essentially of jumper cables, extensions from PV panel leads, wiring harness to combine PV panels in series or parallel, a combiner box to combine circuits, a fuse block to provide circuit protection, wiring to connect DC collection system to charge controllers, wiring to connect PV panels to a terminal power draw unit and combinations thereof.
  • the station according to the invention may further comprise a second circuit connected between the direct current collector and the terminal power draw unit in parallel with the first circuit.
  • the second circuit comprises a first electrical storage battery electrically connected in series with the direct current collector and the terminal power draw unit.
  • a first electrical charge controller is electrically connected in series between the direct current collector and the first battery.
  • a first blocking diode is electrically connected in series between the first battery and the terminal power draw unit.
  • a second blocking diode may be electrically connected in series between the direct current collector and the terminal power draw unit in this example.
  • An example station may further comprise a third circuit connected between the direct current collector and the terminal power draw unit in parallel with the first and the second circuits.
  • the third circuit may comprise a second electrical storage battery electrically connected in series with the direct current collector and the terminal power draw unit.
  • a second electrical charge controller is electrically connected in series between the direct current collector and the second battery in this example.
  • a second blocking diode is electrically connected in series between the second battery and the terminal power draw unit in this example.
  • An example embodiment may further comprise a third blocking diode electrically connected in series between the direct current collector and the terminal power draw unit in the first circuit.
  • a station may comprise a plurality of auxiliary circuits. Each auxiliary circuit may be connected in parallel with one another and the first circuit. Each auxiliary circuit may comprise an electrical storage battery electrically connected in series with the direct current collector and the terminal power draw unit, an electrical charge controller electrically connected in series between the direct current collector and the battery and a blocking diode electrically connected in series between the battery and the terminal power draw unit.
  • An example embodiment may further comprise a first circuit blocking diode electrically connected in series between the direct current collector and the terminal power draw unit in the first circuit.
  • An example station embodiment may comprise a plurality of the photovoltaic panels. One or more of the photovoltaic panels amy comprise bifacial photovoltaic panels.
  • An example station according to the invention may further comprise a base.
  • a plurality of struts extend from the base, and the photovoltaic panels are mounted atop the struts.
  • An example station may further comprise a crossbeam mounted on an end of the struts.
  • a plurality of cantilever beams extend transversely to the cross beam.
  • the photovoltaic panels are mounted between the cantilever beams.
  • the base may further comprise a container.
  • the direct current collector and the terminal power draw unit are positioned within the container.
  • at least one electrical storage battery is positioned within the container.
  • At least one electrical charge controller may also be positioned within the container.
  • At least one diode may be positioned within the container.
  • ballast is positioned within the container.
  • the photovoltaic panels may be angularly oriented with respect to one another.
  • the invention also encompasses a method of operating the station.
  • the method comprises: producing electrical energy using the at least one photovoltaic panel at a production voltage higher than a working voltage of the first battery; and supplying the electrical energy to the terminal power draw unit exclusively through the first circuit.
  • the method may comprise: producing the electrical energy using the at least one photovoltaic panel at a production voltage higher than a working voltage of the first battery; and supplying a first portion of the electrical energy to the terminal power draw unit through the first circuit; and supplying a second portion of the electrical energy to the first electrical charge controller for charging the first battery.
  • An example method may further comprise supplying the second portion of the electrical energy to the terminal power draw unit through the second circuit while simultaneously supplying the first portion of the electrical energy to the terminal power draw unit. Additionally, the method, by way of example, may further comprise increasing the second portion of the electrical energy supplied through the second circuit as the first portion of the electrical energy supplied through the first circuit decreases.
  • a station for generating and distributing electrical power which, by way of example, comprises a first circuit, which comprises a source of electrical energy, a current collector electrically connected to the source of electrical energy for receiving the electrical energy, and a terminal power draw unit electrically connected to the current collector for conditioning the electrical energy and for use.
  • the source of electrical energy is selected from the group consisting essentially of a wind turbine, a water turbine, a photovoltaic panel, a human- powered stationary bicycle and combinations thereof.
  • the invention also encompasses a kit for a station for generating and distributing electrical power.
  • An example kit comprises a container within which is positioned a first circuit.
  • the first circuit comprises a direct current collector electrically connectable to at least one photovoltaic panel and a terminal power draw unit electrically connected to the direct current collector for conditioning the electrical energy for use.
  • the example kit may further comprise a second circuit connected between the direct current collector and the terminal power draw unit in parallel with the first circuit.
  • the second circuit may be positioned within the container and may comprise a first electrical charge controller electrically connectable in series between the direct current collector and an electrical storage battery and a first blocking diode electrically connectable in series between the battery and the terminal power draw unit.
  • the kit may comprise an electrical storage battery electrically connectable in series with the direct current collector and the terminal power draw unit.
  • a first and a second blocking diode positioned within the container may also be included in the kit.
  • the first diode is electrically connected in the first circuit in series between the direct current collector and the terminal power draw unit
  • the second blocking diode is electrically connectable in series between the battery and the terminal power draw unit.
  • An example kit according to the invention may further comprise at least one photovoltaic panel and a plurality of struts attachable to the container for supporting the at least one photovoltaic panel.
  • the kit may comprise a crossbeam mountable on an end of the struts and a plurality of cantilever beams mountable transversely to the cross beam.
  • the at least one photovoltaic panel is mountable between the cantilever beams.
  • Figure 1 is an isometric view of an example station for generating and distributing electrical power
  • Figure 1 A is an isometric view of various structural components of the station shown in Figure 1;
  • Figure 2 is an isometric view of an example station for generating and distributing electrical power
  • Figure 2A is a side view of the station shown in Figure 2;
  • Figure 3 is a partial sectional view of an example station for generating and distributing electrical power;
  • FIGS 4 and 5 are schematic representations of example electrical circuits used in power generation and distribution stations according to the invention.
  • Figures 6 and 7 are flow charts illustrating example methods of operating power generation and distribution stations according to the invention.
  • Figure 8 is a schematic representation of another example embodiment of a power generating and distribution station
  • Figures 9 and 10 are an isometric views of trailered power generation and distribution stations
  • Figures 11 and 12 are isometric views of power generation and distribution stations in use for recharging electrical vehicles.
  • Figure 13 is an elevation view of a power generation and distribution station serving as a landing and charging platform for unmanned aerial vehicles.
  • FIGS 1, 1 A, 2 and 2A show example embodiments 10 and 12, of a station for generating and distributing electrical power according to the invention.
  • the structural aspects of stations 10 and 12 feature a base 14, in these examples comprising a frame 16 formed of prismatic members 18 having tubular and angle cross sections.
  • a plurality of struts 20 extend from the base 14 which serve to support one or more photovoltaic (PV) panels 22.
  • PV panels are advantageously bifacial, meaning that opposite faces 22a and 22b of each PV panel 22 generate electricity when exposed to light.
  • the open strut structure is advantageous because it minimizes structural shadowing of the PV panels and thus permits both the upper face 22a and the lower face 22b of PV panels to receive maximum light exposure.
  • Lower faces 22b receive reflected light from the ground and it is expected that supporting the PV panels at a height of about 9 feet (3 meters) will provide close to optimum exposure for sun angles experienced throughout a day.
  • PV panels 22 may be directly mounted on the ends of the struts 20 using a bracket 24 as an interface between the struts 20 and the PV panels 22.
  • Bracket 24 is advantageous because it can provide for angular orientation of the PV panels 22 as shown. Bracket 24 may also be angularly adjustable as well as rotatable to allow the PV panels to track the sun to maximize exposure.
  • struts 20 may be arranged in a truss structure 26 and one or more crossbeams 28 may be mounted on the ends of struts 20.
  • Crossbeams 28 support a plurality of cantilever beams 30 which extend transversely to the crossbeams, the PV panels 22 being mounted between and supported by the cantilever beams 30.
  • the crossbeam/cantilever design allows the PV panels 22 to be angularly oriented with respect to one another and facilitate snow melt and water drainage from the upper surfaces 22a of the PV panels 22.
  • base 14 of the stations 10 and 12 further comprises a container 32.
  • container 32 is formed of plates 34 attached between the struts 20 to provide a weatherproof interior 36 which houses the electrical and electronic components 38 of the stations 10 and 12 (see Figure 3).
  • Container 32 also provides interior space 36a to receive ballast to stabilize the station against wind loads and other external forces.
  • Ballast may comprise sand, soil, gravel or other heavy, bulk material.
  • any readily available local bulk material may be used as ballast.
  • the station may be off-loaded from a delivery vehicle, fully-ballasted and ready-for-service, after being set in place by manual or automated pallet-jack.
  • FIGS 3 and 4 illustrate the electrical and electronic components of the stations 10 and 12, all of which may be located within container 32 as in this example.
  • the PV panels 22 are electrically connected to a direct current (DC) collector 40.
  • the DC collector 40 may comprise a wiring harness providing electrical connectivity between the PV panels and the other components of the collector 40, which comprise (any or all of):
  • the DC collector 40 is electrically connected to a terminal power draw unit 42 through one or more circuits described below.
  • the terminal power draw unit 42 may comprise, for example, an electrical power inverter for changing direct current into alternating current.
  • the terminal power draw unit 42 may also or alternately comprise a direct current to direct current (DC to DC) converter for changing direct current electrical energy from a first voltage to a second voltage different from the first voltage.
  • DC to DC converter may take the DC current from the PV panels at a high voltage and convert it to a lower DC voltage useful to charge batteries or run appliances.
  • output from the terminal power draw unit 42 may be made available via a plurality of electrical outlets 44 mounted on the container 32 (see Figure 1).
  • Figures 4 and 5 illustrate example circuits within container 32 connecting the PV panels 22 to the terminal power draw unit 42.
  • the DC collector 40 is connected directly to the terminal power draw unit 42 via a first circuit 46.
  • the first circuit 46 permits electrical energy created continuously and in real time by the PV panels to flow directly to an appliance 48 connected to the terminal power draw unit 42. Thus batteries could be charged and radios could be run when the PV panels 22 are exposed to sunlight during daylight hours.
  • Figure 4 also shows a second circuit 50 which may be used in conjunction with the first circuit 46 to connect the PV panels to the terminal power draw unit 42.
  • Second circuit 50 comprises an electrical storage battery 52 (for example, a rechargeable lead-acid battery) electrically connected in series between the DC collector 40 and the terminal power draw unit 42.
  • An electrical charge controller 54 is electrically connected in series between the DC collector 40 and the battery 52 for conditioning the electrical voltage and current to the battery to ensure proper charging.
  • first and second circuits 46 and 50 are connected in parallel between the DC collector 40 and the terminal power draw unit 42 it is advantageous to use respective first and second blocking diodes 56 and 58 in series in the first and second circuits 46 and 50 to allow current flow only from the DC collector 40 to the terminal power draw unit 42 and thereby protect each circuit 46 and 50 and prevent current from flowing back to the PV panels.
  • the combination first and second circuits 46 and 50 allow a method of operation according to the invention to be employed as described below.
  • Figure 5 shows a third circuit 62 arranged in parallel with the first and second circuits 46 and 50 between the DC collector 40 and the terminal power draw unit 42.
  • Third circuit 62 in this example is also a battery charging circuit like the second circuit 50 and comprises an electrical charge controller 64, an electrical storage battery 66 and a third blocking diode 68 connected in series.
  • the use of parallel first and second circuits 46 and 50 ensures continued operation of the station in the event of a failure of the charge controller 54 or its battery 52 as long as the PV panels are producing electricity.
  • the use of a third, battery charging circuit 62 in parallel provides redundancy against failure to ensure station operation when the PV panels are inactive.
  • FIG. 6 The use of the parallel circuit configuration permits stations 10 and 12 to operate according to an example method, illustrated in Figure 6, which comprises: producing electrical energy using one or more photovoltaic panels at a production voltage higher than a working voltage of the first battery (70); and supplying the electrical energy to the terminal power draw unit exclusively through the first circuit (72).
  • Alternate method steps of the example method according to the invention, shown in Figure 7, comprise: producing electrical energy using one or more photovoltaic panels at a production voltage higher than a working voltage of the battery (74); and supplying a first portion of the electrical energy to the terminal power draw unit through the first circuit (76); and supplying a second portion of the electrical energy to the electrical charge controller for charging the battery (78).
  • Another method step comprises supplying the second portion of the electrical energy to the terminal power draw unit through a second circuit while simultaneously supplying the first portion of the electrical energy to the terminal power draw unit (80).
  • a further method step comprises increasing the second portion of the electrical energy supplied through the second circuit as the first portion of the electrical energy supplied through the first circuit decreases (82).
  • station 84 may receive electrical energy from PV panels, local to the station (22) and/or remote therefrom (86), and/or from a wind turbine 88, and/or a water turbine 90, as well as one or more human-powered stationary bicycles 89 turning a generator 91.
  • the invention further encompasses a kit for constructing stations 10 and 12 for generating and distributing electrical power.
  • the object of the kit is to provide station components which are easy to transport, for example by individuals or pack animals, and easy to assemble manually with few tools.
  • a kit is thus ideal for establishing an electrical power source in remote locations which are difficult to access and which are not served by an electrical grid.
  • the kit comprises the container 32 within which is positioned the first circuit 46.
  • the kit may also include within the container 32 the second circuit 50 and additional similar circuits arranged in parallel with the first circuit 46.
  • the electrical storage battery 52 electrically connectable in series with the electrical charge controller 54 and the terminal power draw unit 42, may also be part of the kit, but it may be supplied separately and installed in the container 32 during assembly of the station. Separately supplying the battery allows the container to be relatively light weight and easier to transport.
  • the first and second blocking diodes 58 and 60 are also part of the kit and positioned within the container 32.
  • the kit may comprise one or more PV panels 22 and a plurality of struts 20, crossbeams 28, cantilever beams 30 and brackets 24 attachable to the container 32 for supporting the photovoltaic panel or panels.
  • the structural support members may be packaged in manageable units for easy transport.
  • Stations 10 and 12 according to the invention may assume additional
  • Figure 9 shows an example mobile station 92 wherein the base 14 and container 32 are mounted on a wheeled trailer 94.
  • the station 92 can be towed by a prime mover and setup where needed.
  • a prime mover For practical towing it is advantageous to stow the PV panels 22 and this may be accomplished in any of a number of ways.
  • a plurality of stations 96 may be mounted on a semi-trailer 98 as shown in Figure 10.
  • Figures 11-13 illustrate example stations in use.
  • Figure 11 shows a combination carport charging station 100 for an electrical vehicle 102
  • Figure 12 shows a charging and parking station 104 for charging and organizing electrical bicycles 106
  • Figure 13 shows a recharging/landing platform 108 for autonomous drones 110.
  • Stations 108 could be part of a collection and distribution center for package delivery services, incorporating electrically powered autonomous terrestrial vehicles in addition to the aerial vehicles.
  • Power generating stations according to the invention would be virtually unlimited in their application and benefit to society.
  • the angled PV panels 22 may be used to collect rainwater and direct it to a filtration unit on the station, or direct it to adjacent storage tanks or planters.
  • Toilet facilities could be integrated into a station to provide self-powered public restroom facilities with containment and/or waste treatment tanks and/or bio-digesting fuel production units.
  • the stations could be used in a system to manage carbon credits by verifying carbon saving behavior, such as recording bicycle trips between stations. Such carbon credits might be sold on the open market, or used to support transactions with local businesses.
  • a 12 volt station according to the invention is expected to supply a total of 350 watts, photovoltaic peak power DC, have a storage capacity of 756 watt-hours and support a peak device power draw of 315 watts through 30 USB plugs.
  • a 24 volt station according to the invention is expected to supply a total of 770 watts, photovoltaic peak power DC, have a storage capacity of 2376 watt-hours and a peak device power device power draw of 525 watts through 50 USB plugs.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Power Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Photovoltaic Devices (AREA)

Abstract

La présente invention concerne une station de charge alimentée par énergie solaire qui utilise des panneaux photovoltaïques pour générer de l'énergie électrique destinée à être utilisée directement et/ ou pour un stockage dans des batteries électriques destinées à être utilisées pendant un fonctionnement nocturne. La station comprend des circuits électriques parallèles qui permettent à la station de fonctionner pendant les heures de jour en cas de défaillance de la batterie ou du système de charge de batterie. La station est conçue pour fournir un mode de réalisation de kit ayant un poids léger, des composants facilement transportables. Les circuits parallèles peuvent être adaptés à une utilisation avec d'autres formes de génération d'énergie électrique ayant une empreinte carbone minimale.
PCT/US2020/012447 2019-01-09 2020-01-07 Station de charge alimentée par énergie solaire WO2020146296A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962790288P 2019-01-09 2019-01-09
US62/790,288 2019-01-09

Publications (1)

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WO2020146296A1 true WO2020146296A1 (fr) 2020-07-16

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